Patents by Inventor JOANNE MIKKELSON

JOANNE MIKKELSON has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Detecting data loss during site switchover
    Patent number: 9367413
    Abstract: Techniques for detecting data loss during site switchover are disclosed. An example method includes storing at NVRAM of a first node a plurality of operations of a second node, the first and second nodes being disaster recovery partners. The method also includes during a switchover from the second node to the first node, receiving an indication of a first number of operations yet to be completed. The method further includes comparing the first number to a second number of operations in the plurality of operations stored at the NVRAM of the first node. The method also includes in response to the comparing, determining whether at least one operation is missing from the plurality of operations stored in the NVRAM of the first node. The method further includes in response to determining that at least one operation is missing, failing at least one volume.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 14, 2016
    Assignee: NetApp, Inc.
    Inventors: Parag Sarfare, Joanne Mikkelson, Joseph Brown
  • DETECTING DATA LOSS DURING SITE SWITCHOVER
    Publication number: 20150317226
    Abstract: Techniques for detecting data loss during site switchover are disclosed. An example method includes storing at NVRAM of a first node a plurality of operations of a second node, the first and second nodes being disaster recovery partners. The method also includes during a switchover from the second node to the first node, receiving an indication of a first number of operations yet to be completed. The method further includes comparing the first number to a second number of operations in the plurality of operations stored at the NVRAM of the first node. The method also includes in response to the comparing, determining whether at least one operation is missing from the plurality of operations stored in the NVRAM of the first node. The method further includes in response to determining that at least one operation is missing, failing at least one volume.
    Type: Application
    Filed: April 30, 2014
    Publication date: November 5, 2015
    Applicant: NetApp, Inc.
    Inventors: PARAG SARFARE, JOANNE MIKKELSON, JOSEPH BROWN